// Copyright (c) Facebook, Inc. and its affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include "rsocket/Payload.h"

namespace rsocket {

class StreamFragmentAccumulator {
 public:
  StreamFragmentAccumulator();

  void addPayloadIgnoreFlags(Payload p);
  void addPayload(Payload p, bool next, bool complete);

  Payload consumePayloadIgnoreFlags();
  std::tuple<Payload, bool, bool> consumePayloadAndFlags();

  bool anyFragments() const {
    return fragments.data || fragments.metadata;
  }

 private:
  bool flagsComplete : 1;
  bool flagsNext : 1;
  Payload fragments;
};

} /* namespace rsocket */
